The 147th Ohio Infantry Regiment lost 22 enlisted men to disease during the Civil War.
|Organized at Camp Dennison, Ohio|
|May 16||853 men mustered in under Colonel Benjamin F. Rosson|
|May 20||Left State for Washington, D.C.|
|June-July||Assigned to duty as garrison at Forts Ethan Allen, Marcy, Reno and Stevens, Defenses of Washington. Attached to 1st Brigade, DeRussy’s Division, 22nd Army Corps|
|July||Assigned to 2nd Brigade, De-Hussy’s Division, 22nd Army Corps|
|July 11-12||Repulse of Early’s attack on Washington|
|August 30||787 men mustered out|